Hãng sản xuất: HANNA - ÝRangeCl, Free0.00 to 10.00 mg/L Cl, Total0.00 to 10.00 mg/LResolution 0.01 mg/L from 0.00 to 3.50 mg/L; 0.10 mg/L above 3.50 mg/LAccuracy @25°C ±0.03 mg/L ±3% of reading @ 25°C; excluding dilution errorLight Source tungsten ...